1070 . EHINANTHACEAE 



lanceolate to linear-subulate, 4-6 ram. long : corolla about 1 cm. long ; tuoe campanulate 

 lobes lanceolate, about as long as the tube : capsules oval or oval-ovoid, about as long as 

 the sepals. 



On sandy shores, peninsular Florida and Texas. Spring to fall. 



26. SCOPARIA L. 



Annual or perennial caulescent herbs or shrubby plants. Leaves opposite or whorled : 



blades often narrow, punctate. Flowers solitary in the axils. Calyx of 4-5 nearly distinct 



sepals. Corolla white, yellow or blue, rotate : tube pubescent in the throat : lobes 4, nearly 



equal. Stamens 4, scarcely didynamous : anthers slightly sagittate ; sacs distinct: Stigmas 



truncate or notched. Capsule ovoid or subglobose, septicidally dehiscent. Seeds angled. 



Sepals not ciliolate: corollas 3 mm. broad: capsules surpassing the sepals. 1. .S. dulcis. 



Sepals ciliolate : corollas 10 mm. broad : capsules not surpassing the sepals. 2. S. grandiflorn. 



1. Scoparia dulcis L. Stems glabrous, 2-10 dm. tall, often much branched. Leaf- 

 blades ovate, elliptic-oblong or oblong-oblanceolate, 1-3 cm. long, serrate, often cuneate at 

 the base : pedicels slender, 3-6 mm. long : sepals oblong to oblong-obovate, 1.5 mm. long, 

 not ciliolate : corolla wliite, 3 ram. broad ; lobes oval or suborbicular : capsules subglobose 

 or ovoid-globose, 2 ram. long, surpassing the sepals. 



In sand, Georgia and Florida to Texas. Spring to fall. 



2. Scoparia grandiflora Nash. Stems more or less puberulent, 7-12 dm. tall, usually 

 much branched : leaf-blades oblanceolate to linear-oblanceolate, 1.5-5 mm. long, acute, 

 serrate or incised above the middle : pedicels filiform, 4-8 mm. long : sepals oblong to oval- 

 oblong, 2-2.5 mm. long, ciliolate : corolla white, 10 mm. broad ; lobes oblong-obovoid, 

 obtuse : capsules ovoid, shorter than the sepals. 



In open sandy woods, peninsular Florida. Spring to fall. 



27. VERONICA L. 



Annual or perennial caulescent herbs. Leaves opposite or sometimes alternate : blades 

 various, entire, toothed or lobed. Flowers solitary in the axils, sometimes collected into 

 racemes or panicles. Calyx of 4 or rarely 5, slightly united sepals. Corolla white or of 

 various colors, rotate, slightly irregular, tlie tube very short, the lower lobe usually nar- 

 rower than the rest. Stamens 2, on either side of the upper corolla-lobe : filaments diver- 

 gent : anther-sacs confluent at the apex. Stigma capitate. Capsule flattened, notched or 

 2-lobed at the apex, loculicidal. Seeds flattened or concave. Speedwell. 



Flowers solitary and axillary, the subtending bracts leaf-like, and similar to the leaves. 

 Pedicels as long as the subtending bracts or longer. 



Corolla longer than the calyx : capsules nearly twice as wide as high. 1. V. Byzaniina. 

 Corolla not longer than the calyx : capsules barely broader than high. 2. T'. agredis. 

 Pedicels shorter than the subtending bracts. 

 Annual : capsules deeply notched. 



Koliage pubescent. 3. V. arvensis. 



Foliage glabrous or glandular. 4. V. peregrin a. 



Perennial : capsules merely retuse or truncate. . 5. F. serpyllifolia. 



Flowers in axillary racemes ; bracts small. 



Foliage pubescent : species of dry soil. 6. T'. officincdis. 



Foliage glabrous or glandular : species of low grovmds or brooks. 



Stem-leaves with petioled blades : pedicel and calyx glabrous. 7. V. Americana. 



Stem-leaves with sessile and clasping blades : pedicel and calyx glan- 

 dular. 8. T'. Anagallis-aquatica. 



1. Veronica Byzantina (Sibtb. & Smith) B.S. P. Annual, finely pubescent. Stems 

 1-4 dm. tall, usually branched at the base : leaves mainly opposite ; blades ovate to sub- 

 orbicular or oval, 8-15 nmi. long, serrate, broadly cuneate or subcordate at the base : pedi- 

 cels surpassing the subtending bracts : sepals pubescent, elliptic to elliptic-lanceolate, 4-5 

 ram. long, acute : corolla blue, 9-11 mm. broad, the lobes surpassing the calyx : capsules 

 nearly reniform, 7-8 mm. broad, pubescent. 



In fields and waste places. New York to Pennsylvania and Georgia. Naturalized from Europe and 

 Asia. Spring and summer. 



2. Veronica agr6stis L. Annual, pubescent. Stems usually branched at the base, 

 the branches sometimes spreading, 0.5-3 dm. long: leaves opposite; blades ovate to sub- 

 orbicular or deltoid, 5-15 mm. long, crenate or serrate, rounded or subcordate at the base : 

 pedicels becoming as long as the subtending bracts or longer, recurving : sepals elliptic to 

 elliptic-ovate, 3-5 mm. long : corolla 5-7 nun. broad, the lobes not surpassing the calyx : 

 capsules 7-8 rara. broad, the lobes widely diverging. 



In fields and waste places. Nova Scotia to Georgia and Texas. Naturalized from Europe and 

 Asia. Spring and summer. 



